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The Optimal Protein Podcast

Light, Leptin & Fat Loss: How Circadian Biology Controls Metabolism — Dr. Catherine Clinton

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19 Jan 2026 · 1h 13m

SupplementsMetabolism & fasting

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Timeline Mitopure Gummies — The #1 Urolithin A supplement for energy and healthy aging, now in delicious strawberry gummies. Get 20% off at timeline.com/vanessa In this episode, I'm joined by Dr. Catherine Clinton to explore how circadian biology, light exposure, and cellular electrical charge regulate metabolism, hormones, and fat loss — often beyond calories alone. We discuss how morning light impacts leptin signaling, insulin sensitivity, cortisol, and melatonin, why modern indoor living disr

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